Gualberto Escalante

Upgrade to TinyMCE 4.9.1

3

When enabling [imagetools plugin](https://www.tiny.cloud/docs/plugins/imagetools/) for current version of TinyMCE (4.1.0) I got the error `module definition dependecy not found: tinymce/util/Promise`. Upgrading to TinyMCE 4.9.1 made the plugin and the editor...